Teams Private Channel Messages: Compliance Action Required by Sept 20, 2025

Teams private channel messages are moving to group mailboxes, and compliance managers must act before September 20, 2025, to avoid data loss and compliance gaps.

Microsoft is reengineering private channels to improve scalability and simplify governance. This change impacts Microsoft Purview eDiscovery, retention, and DLP policies.

This update was announced in the Microsoft Teams Blog and flagged in the Microsoft 365 Message Center (MC1134737).

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How to search for Teams messages: A Guide for Admins

Microsoft Teams is a powerful collaboration tool. As an admin, you need to know how to search for chat and channel messages. In this guide, we will cover various search options. Firstly, the standard user search option, secondly, the Content search and eDiscovery standard options for admins and finally, eDiscovery premium for complex needs. We’ll explain each option’s benefits and limitations to help you choose the best option for your needs.


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